1 files changed, 31 insertions, 58 deletions

diff --git a/drivers/clk/ti/dpll44xx.c b/drivers/clk/ti/dpll44xx.c
index 3fc2cab69a3f..08ed57f181b4 100644
--- a/drivers/clk/ti/dpll44xx.c
+++ b/drivers/clk/ti/dpll44xx.c
@@ -134,68 +134,13 @@ unsigned long omap4_dpll_regm4xen_recalc(struct clk_hw *hw,
 }
 
 /**
- * omap4_dpll_regm4xen_round_rate - round DPLL rate, considering REGM4XEN bit
- * @hw: struct hw_clk containing the struct clk * of the DPLL to round a rate for
- * @target_rate: the desired rate of the DPLL
- * @parent_rate: clock rate of the DPLL parent
- *
- * Compute the rate that would be programmed into the DPLL hardware
- * for @clk if set_rate() were to be provided with the rate
- * @target_rate.  Takes the REGM4XEN bit into consideration, which is
- * needed for the OMAP4 ABE DPLL.  Returns the rounded rate (before
- * M-dividers) upon success, -EINVAL if @clk is null or not a DPLL, or
- * ~0 if an error occurred in omap2_dpll_round_rate().
- */
-long omap4_dpll_regm4xen_round_rate(struct clk_hw *hw,
-				    unsigned long target_rate,
-				    unsigned long *parent_rate)
-{
-	struct clk_hw_omap *clk = to_clk_hw_omap(hw);
-	struct dpll_data *dd;
-	long r;
-
-	if (!clk || !clk->dpll_data)
-		return -EINVAL;
-
-	dd = clk->dpll_data;
-
-	dd->last_rounded_m4xen = 0;
-
-	/*
-	 * First try to compute the DPLL configuration for
-	 * target rate without using the 4X multiplier.
-	 */
-	r = omap2_dpll_round_rate(hw, target_rate, NULL);
-	if (r != ~0)
-		goto out;
-
-	/*
-	 * If we did not find a valid DPLL configuration, try again, but
-	 * this time see if using the 4X multiplier can help. Enabling the
-	 * 4X multiplier is equivalent to dividing the target rate by 4.
-	 */
-	r = omap2_dpll_round_rate(hw, target_rate / OMAP4430_REGM4XEN_MULT,
-				  NULL);
-	if (r == ~0)
-		return r;
-
-	dd->last_rounded_rate *= OMAP4430_REGM4XEN_MULT;
-	dd->last_rounded_m4xen = 1;
-
-out:
-	omap4_dpll_lpmode_recalc(dd);
-
-	return dd->last_rounded_rate;
-}
-
-/**
  * omap4_dpll_regm4xen_determine_rate - determine rate for a DPLL
  * @hw: pointer to the clock to determine rate for
  * @req: target rate request
  *
  * Determines which DPLL mode to use for reaching a desired rate.
  * Checks whether the DPLL shall be in bypass or locked mode, and if
- * locked, calculates the M,N values for the DPLL via round-rate.
+ * locked, calculates the M,N values for the DPLL.
  * Returns 0 on success and a negative error value otherwise.
  */
 int omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw,
@@ -215,8 +160,36 @@ int omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw,
 	    (dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) {
 		req->best_parent_hw = dd->clk_bypass;
 	} else {
-		req->rate = omap4_dpll_regm4xen_round_rate(hw, req->rate,
-						&req->best_parent_rate);
+		struct clk_rate_request tmp_req;
+		long r;
+
+		clk_hw_init_rate_request(hw, &tmp_req, req->rate);
+		dd->last_rounded_m4xen = 0;
+
+		/*
+		 * First try to compute the DPLL configuration for
+		 * target rate without using the 4X multiplier.
+		 */
+
+		r = omap2_dpll_determine_rate(hw, &tmp_req);
+		if (r < 0) {
+			/*
+			 * If we did not find a valid DPLL configuration, try again, but
+			 * this time see if using the 4X multiplier can help. Enabling the
+			 * 4X multiplier is equivalent to dividing the target rate by 4.
+			 */
+			tmp_req.rate /= OMAP4430_REGM4XEN_MULT;
+			r = omap2_dpll_determine_rate(hw, &tmp_req);
+			if (r < 0)
+				return r;
+
+			dd->last_rounded_rate *= OMAP4430_REGM4XEN_MULT;
+			dd->last_rounded_m4xen = 1;
+		}
+
+		omap4_dpll_lpmode_recalc(dd);
+
+		req->rate = dd->last_rounded_rate;
 		req->best_parent_hw = dd->clk_ref;
 	}